binary star
Example Sentences
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These observations provided new insight into the physical structure and behavior of powerful binary star systems.
From Science Daily • Jan. 8, 2026
That may be because it’s a binary star, and the two stars move around each other on a mildly elliptical orbit, which could destabilize planetary orbits.
From Scientific American • Oct. 6, 2023
According to NASA, this "suggests that the protostar may in fact be an unresolved binary star," meaning there could actually be two stars beneath this mysterious cloud of molecules.
From Salon • Sep. 14, 2023
"The idea of a binary star merger came from effectively piecing together a puzzle," Dr Hon explains.
From BBC • Jun. 28, 2023
This is a binary with a period of revolution of about sixty years, and is interesting as the first binary star whose orbit was determined.
From Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers by Serviss, Garrett Putman